172074032 has 40 divisors (see below), whose sum is σ = 377944560. Its totient is φ = 75237120.

The previous prime is 172074029. The next prime is 172074037. The reversal of 172074032 is 230470271.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 172073992 and 172074010.

It is not an unprimeable number, because it can be changed into a prime (172074037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17819 + ... + 25722.

It is an arithmetic number, because the mean of its divisors is an integer number (9448614).

Almost surely, 2^172074032 is an apocalyptic number.

It is an amenable number.

172074032 is an abundant number, since it is smaller than the sum of its proper divisors (205870528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172074032 is a wasteful number, since it uses less digits than its factorization.

172074032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43581 (or 43575 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 172074032 is about 13117.6991885010. The cubic root of 172074032 is about 556.2095547414.

The spelling of 172074032 in words is "one hundred seventy-two million, seventy-four thousand, thirty-two".